<template>
	<view class="my-settle-container">
		<!-- 全选 -->
		<label class="radio">
			<radio color="#c00000" :checked="isFullcheck" @click="changeAllState" />
			<text>全选</text>
		</label>
		<!-- 合计 -->
		<view class="amount-box">
			合计:
			<text class="amount">¥{{ checkedGoodsAmount }}</text>
		</view>
		<!-- 结算 -->
		<view class="btn-settle" @click="settement">结算({{ checkedCount }})</view>
	</view>
</template>

<script>
import { mapGetters, mapMutations, mapState } from 'vuex';
export default {
	name: 'my-settle',
	data() {
		return {
			//倒计时的秒速
			seconds: 3,
			//定时器id
			timer: null
		};
	},
	computed: {
		...mapGetters('m_cart', ['checkedCount', 'total', 'checkedGoodsAmount']),
		...mapGetters('m_user', ['addstr']),
		// token 是用户登录成功之后的 token 字符串
		...mapState('m_user', ['token']),
		...mapState('m_cart', ['cart']),
		isFullcheck() {
			//判断总数量和勾选数量是否相等
			return this.total === this.checkedCount;
		}
	},
	methods: {
		...mapMutations('m_cart', ['updataAllGoodsState']),
		...mapMutations('m_user', ['updateRedirectInfo']),
		changeAllState() {
			this.updataAllGoodsState(!this.isFullcheck);
		},
		//用户点击了结算按钮
		settement() {
			if (!this.checkedCount) return uni.$showMsg('请选择要结算的商品');
			if (!this.addstr) return uni.$showMsg('请选择收货地址');
			// if (!this.token) return uni.$showMsg('请先登录');
			if (!this.token) return this.delayNavigate();
			this.payOrder();
		},
		async payOrder() {
			//创建订单
			//1.1组织订单的信息对象
			const orderInfo = {
				// order_price:'this.checkedGoodsAmount',
				order_price: 0.01,
				consignee_addr: this.addstr,
				goods: this.cart
					.filter(x => x.goods_state)
					.map(x => ({
						goods_id: x.goods_id,
						goods_number: x.goods_count,
						goods_price: x.goods_price
					}))
			};
			//1.2发起请求创建订单
			const { data: res } = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo);
			console.log(res);
			if (res.meta.status != 200) return uni.$showMsg('创建订单失败');
			//1.3得到服务器响应的订单编号
			const orderNumber = res.message.order_number;
			console.log(orderNumber);
			// 2. 订单预支付
			// 2.1 发起请求获取订单的支付信息
			const { data: res2 } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', { order_number: orderNumber });
			// 2.2 预付订单生成失败
			if (res2.meta.status !== 200) return uni.$showError('预付订单生成失败！');
			// 2.3 得到订单支付相关的必要参数
			const payInfo = res2.message.pay;

			// 3. 发起微信支付
			// 3.1 调用 uni.requestPayment() 发起微信支付
			const [err, succ] = await uni.requestPayment(payInfo);
			// 3.2 未完成支付
			if (err) return uni.$showMsg('订单未支付！');
			// 3.3 完成了支付，进一步查询支付的结果
			const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber });
			// 3.4 检测到订单未支付
			if (res3.meta.status !== 200) return uni.$showMsg('订单未支付！');
			// 3.5 检测到订单支付完成
			uni.showToast({
				title: '支付完成！',
				icon: 'success'
			});
		},
		//延迟导航到my 页面
		delayNavigate() {
			this.seconds = 3;
			this.showTips(this.seconds);
			this.timer = setInterval(() => {
				this.seconds--;
				if (this.seconds <= 0) {
					clearInterval(this.timer);
					uni.switchTab({
						url: '/pages/my/my',
						success: () => {
							this.updateRedirectInfo({
								// 跳转的方式
								openType: 'switchTab',
								// 从哪个页面跳转过去的
								from: '/pages/cart/cart'
							});
						}
					});
					return;
				}
				this.showTips(this.seconds);
			}, 1000);
		},
		// 展示倒计时的提示信息
		showTips(n) {
			uni.showToast({
				icon: 'none',
				title: '请登录在结算 ! ' + n + '秒后自动跳转登录页',
				mask: true,
				duration: 1500
			});
		}
	}
};
</script>

<style lang="scss">
.my-settle-container {
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 50px;
	background-color: white;
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-size: 14px;
	padding-left: 5px;
	.radio {
		display: flex;
		align-items: center;
	}
	.amount-box {
		.amount {
			color: #c00000;
			font-size: bold;
		}
	}
	.btn-settle {
		background-color: #c00000;
		color: white;
		height: 50px;
		line-height: 50px;
		padding: 0 10px;
		min-width: 100px;
		text-align: center;
	}
}
</style>
